Home / 231,055.20-346,323.60-131,263.20

Finding the Fourth Proportional to 231,055.20, 346,323.60 and 131,263.20

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Solution

The fourth proportional to 231,055.20, 346,323.60 and 131,263.20 is: 196,747.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,055.20 : 346,323.60 = 131,263.20 : x
  2. Step 2: Convert to fraction form
    231,055.20/346,323.60 = 131,263.20/x
  3. Step 3: Cross multiply
    231,055.20x = 346,323.60 × 131,263.20
  4. Step 4: Simplify right side
    231,055.20x = 45,459,543,971.52
  5. Step 5: Solve for x
    x = 45,459,543,971.52/231,055.20
  6. Step 6: Final answer
    x = 196,747.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.